2023 Trek Domane AL Gen 3 vs 2025 Giant Contend AR
The XL is the Giant Contend AR size closest to your 61 Trek Domane AL Gen 3. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Giant Contend AR
Compared with the Trek Domane AL Gen 3 in 61, the Giant Contend AR in XL places the top of the head tube 8 mm lower and 15 mm further forward, relative to the bottom bracket. Its wheelbase is 8 mm longer, which can contribute to stability at speed.
- Frame stack
- −8 mm
- Lower front end
- Frame reach
- +15 mm
- Longer frame reach
- Wheelbase
- +8 mm
- Longer: steadier at speed
- Head angle
- +0.4°
- Steeper: sharper steering
- Chainstays
- −3 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Trek Domane AL Gen 3 numbers we have for size 61 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Domane AL Gen 3 61 | Giant Contend AR XL | Difference |
|---|---|---|---|
| Reach | 385 | 400 | +15 mm |
| Stack | 646 | 638 | −8 mm |
| Head tube angle | 72.1° | 72.5° | +0.4° |
| Effective top tube | 586 | not listed | |
| Chainstay length | 425 | 422 | −3 mm |
| Wheelbase | 1038 | 1046 | +8 mm |
| BB drop | 75 | 80 | +5 mm |
| Standover | 842 | 856 | +14 mm |
| Seat tube length | 576 | 565 | −11 mm |
| Head tube length | 235 | 215 | −20 mm |
| Seat tube angle | not listed | 73.0° |
Differences are the Giant Contend AR minus the Trek Domane AL Gen 3. Full charts: 2023 Trek Domane AL Gen 3, 2025 Giant Contend AR.
Where each sits in its class
Trek Domane AL Gen 3Giant Contend AR
Each bike is ranked against the other road bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Trek Domane AL Gen 3AL 2 Gen 3 | Giant Contend AR4 |
|---|---|---|
| Frame | Trek Alpha | Giant ALUXX-grade |
| Fork | Trek Domane AL | Giant Advanced-Grade |
| Shifter | Shimano Claris R2000 | Shimano Claris |
| Derailleur | Shimano Claris R2000 | Shimano Claris |
| Cassette | Shimano HG-31 | Shimano CS-HG50 Deore |
| Chain | Shimano Sora HG71 | KMC Z72 |
| Crankset | Shimano RS200 | FSA Tempo |
| Bottom bracket | Shimano UN26 | not listed |
| Tire | Bontrager R1 Hard-Case Lite | Giant S-R3 AC |
| Hub | Formula RX-512, Formula RX-142 | not listed |
| Rim | Bontrager Affinity | Giant S-R2 |
| Brake | Tektro C550 | Tektro MD-C550, Shimano Claris |
| Handlebar | Bontrager Comp VR-C | Giant Connect XS:40cm |
| Seatpost | Bontrager Approved | Giant D-Fuse |
| Saddle | Bontrager P3 Verse | Giant Approach |
| Stem | not listed | Giant Sport XS:80mm |
| Grips | not listed | Velo cork tape |
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